A new world chess champion is about to be crowned. Game 14 of the match facing Ian Nepomniachtchi and Ding Liren will be played on Saturday. The score is tied, so a draw will lead to a rapid playoff on Sunday. As a preview to what is likely to become a memorable weekend for chess fans, Robert Ris recaps similar deciding encounters, focusing on the 2010 match in Sofia — the score was also tied, and defending champion Vishy Anand beat Veselin Topalov with the black pieces to keep the title!

